3 Copyright (C) Dean Camera, 2012.
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5 dean [at] fourwalledcubicle [dot] com
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10 Copyright 2012 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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12 Permission to use, copy, modify, distribute, and sell this
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13 software and its documentation for any purpose is hereby granted
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14 without fee, provided that the above copyright notice appear in
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15 all copies and that both that the copyright notice and this
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16 permission notice and warranty disclaimer appear in supporting
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17 documentation, and that the name of the author not be used in
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18 advertising or publicity pertaining to distribution of the
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19 software without specific, written prior permission.
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21 The author disclaim all warranties with regard to this
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22 software, including all implied warranties of merchantability
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23 and fitness. In no event shall the author be liable for any
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24 special, indirect or consequential damages or any damages
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25 whatsoever resulting from loss of use, data or profits, whether
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26 in an action of contract, negligence or other tortious action,
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27 arising out of or in connection with the use or performance of
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31 #include "../../../../Common/Common.h"
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32 #if (ARCH == ARCH_XMEGA)
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34 #define __INCLUDE_FROM_USB_DRIVER
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35 #include "../USBMode.h"
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37 #if defined(USB_CAN_BE_DEVICE)
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39 #include "../Endpoint.h"
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41 #if !defined(FIXED_CONTROL_ENDPOINT_SIZE)
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42 uint8_t USB_Device_ControlEndpointSize = ENDPOINT_CONTROLEP_DEFAULT_SIZE;
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45 Endpoint_FIFOPair_t USB_Endpoint_FIFOs[ENDPOINT_TOTAL_ENDPOINTS];
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47 volatile uint8_t USB_Endpoint_SelectedEndpoint;
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48 volatile USB_EP_t* USB_Endpoint_SelectedHandle;
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49 volatile Endpoint_FIFO_t* USB_Endpoint_SelectedFIFO;
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51 bool Endpoint_ConfigureEndpointTable(const USB_Endpoint_Table_t* const Table,
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52 const uint8_t Entries)
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54 for (uint8_t i = 0; i < Entries; i++)
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56 if (!(Table[i].Address))
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59 if (!(Endpoint_ConfigureEndpoint(Table[i].Address, Table[i].Type, Table[i].Size, Table[i].Banks)))
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68 bool Endpoint_ConfigureEndpoint_PRV(const uint8_t Address,
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69 const uint8_t Config,
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72 Endpoint_SelectEndpoint(Address);
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74 USB_Endpoint_SelectedHandle->CTRL = 0;
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75 USB_Endpoint_SelectedHandle->STATUS = (Address & ENDPOINT_DIR_IN) ? USB_EP_BUSNACK0_bm : 0;
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76 USB_Endpoint_SelectedHandle->CTRL = Config;
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77 USB_Endpoint_SelectedHandle->CNT = 0;
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78 USB_Endpoint_SelectedHandle->DATAPTR = (intptr_t)USB_Endpoint_SelectedFIFO->Data;
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80 USB_Endpoint_SelectedFIFO->Length = (Address & ENDPOINT_DIR_IN) ? Size : 0;
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81 USB_Endpoint_SelectedFIFO->Position = 0;
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86 void Endpoint_ClearEndpoints(void)
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88 for (uint8_t EPNum = 0; EPNum < ENDPOINT_TOTAL_ENDPOINTS; EPNum++)
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90 ((USB_EndpointTable_t*)USB.EPPTR)->Endpoints[EPNum].IN.CTRL = 0;
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91 ((USB_EndpointTable_t*)USB.EPPTR)->Endpoints[EPNum].OUT.CTRL = 0;
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95 void Endpoint_ClearStatusStage(void)
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97 if (USB_ControlRequest.bmRequestType & REQDIR_DEVICETOHOST)
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99 while (!(Endpoint_IsOUTReceived()))
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101 if (USB_DeviceState == DEVICE_STATE_Unattached)
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105 Endpoint_ClearOUT();
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109 while (!(Endpoint_IsINReady()))
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111 if (USB_DeviceState == DEVICE_STATE_Unattached)
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115 Endpoint_ClearIN();
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119 #if !defined(CONTROL_ONLY_DEVICE)
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120 uint8_t Endpoint_WaitUntilReady(void)
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122 #if (USB_STREAM_TIMEOUT_MS < 0xFF)
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123 uint8_t TimeoutMSRem = USB_STREAM_TIMEOUT_MS;
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125 uint16_t TimeoutMSRem = USB_STREAM_TIMEOUT_MS;
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128 uint16_t PreviousFrameNumber = USB_Device_GetFrameNumber();
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132 if (Endpoint_GetEndpointDirection() == ENDPOINT_DIR_IN)
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134 if (Endpoint_IsINReady())
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135 return ENDPOINT_READYWAIT_NoError;
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139 if (Endpoint_IsOUTReceived())
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140 return ENDPOINT_READYWAIT_NoError;
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143 uint8_t USB_DeviceState_LCL = USB_DeviceState;
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145 if (USB_DeviceState_LCL == DEVICE_STATE_Unattached)
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146 return ENDPOINT_READYWAIT_DeviceDisconnected;
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147 else if (USB_DeviceState_LCL == DEVICE_STATE_Suspended)
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148 return ENDPOINT_READYWAIT_BusSuspended;
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149 else if (Endpoint_IsStalled())
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150 return ENDPOINT_READYWAIT_EndpointStalled;
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152 uint16_t CurrentFrameNumber = USB_Device_GetFrameNumber();
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154 if (CurrentFrameNumber != PreviousFrameNumber)
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156 PreviousFrameNumber = CurrentFrameNumber;
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158 if (!(TimeoutMSRem--))
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159 return ENDPOINT_READYWAIT_Timeout;
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